<mat-form-field>
  <mat-label>Pick a time</mat-label>
  <input matInput [formControl]="formControl" [matTimepicker]="picker">
  <mat-timepicker-toggle matIconSuffix [for]="picker"/>
  <mat-timepicker #picker/>
</mat-form-field>

<p>Value: {{formControl.value}}</p>
<p>Touched: {{formControl.touched}}</p>
<p>Dirty: {{formControl.dirty}}</p>
